The S-Tec Model 55X is a pure rate-based two-axis autopilot offering you smooth precise, dependable performance. Combining the programmer, computer, annunciator, and servo amplifier functions into one compact panel mount unit, the System 55X is the first S-Tec autopilot system designed specifically to be integrated into the aircraft radio panel with other avionics. It is also the first S-Tec system to feature control wheel steering.

The System 55X roll axis has heading select, VOR/Localizer front and back course intercept and tracking. It can be interfaced with RNAV, GPS, or Loran systems. The System 55X Flight Guidance Programmer/Computer converts pilot commands to logic signals for roll and pitch computer functions. Altitude Hold with Altitude Trim.

Available Options:

Remote annunciator (Required with Flight Director option)

Flight Director Steering Horizon

Slaved Horizontal Situation Indicator

Automatic Elevator Pitch Trim

Altitude/Vertical Speed Selector Alerter

About S-Tec

In general aviation singles, light twins, and turboprops, S-TEC's rate based autopilot systems have a number of significant advantages over attitude based systems. You can expect safety, reliability, and performance whenever your autopilot is engage. S-TEC also believes in a building block philosophy which allows installation of an autopilot today as a foundation, and upgrading to a system with more features and functions at a later date. All S-TEC autopilot systems use common hardware, servos, and sensors throughout the product line which offers you significant advantages in serviceability, reliability, and overall cost. A multitude of autopilots are available from a simple altitude hold only to a full two axis autopilot with glide slope capture, vertical speed control, and dual mode intercept.

Manufacturer does not allow mail-order sales of Autopilots/Flight guidance systems to owners of Certified Aircraft. S-Tec Autopilots must be installed by an authorized S-Tec dealer, unless installed in a home-built aircraft. Avionics installations require special knowledge, skills, test equipment and tools. Call our Avionics Sales Staff for an installed price.

The best service and prices, with the largest inventory & fastest shipping. Serving aircaft owners, pilots & RC modellers for 30 years.